Ethereal Exploration Guild website screenshot

Ethereal Exploration Guild

Ethereal Exploration Guild (EtherealX) is an Indian spacetech company founded in 2022 in Bengaluru by Manu J. Nair, Prashant Sharma, and Shubhayu Sardar, building fully reusable medium-lift launch vehicles. Its lead product, the Razor Crest Mk-1 (RCM1), targets roughly 25 tons to low Earth orbit with high launch cadence, up to 16 orbit insertions per flight, and 72-96 hour turnaround. The company has manufactured its 80kN reusable upper-stage engine (Pegasus) using a proprietary Full Flow Segregated Cooling Cycle (FFSCC) and operates a large private rocket testing facility in Cuddalore, Tamil Nadu. EtherealX has raised on the order of $26M across multiple rounds, including a Series A in December 2025. The company offers launch services rather than any developer-facing API or platform.

Ethereal Exploration Guild is profiled on the APIs.io network. Tagged areas include Company, Frontier Tech, Aerospace, Spacetech, and Launch Vehicles.

🌐 Visit website 📡 Source on GitHub
6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyFrontier TechAerospaceSpacetechLaunch VehiclesReusable RocketsSpaceIndia

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 6.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
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Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Ethereal Exploration Guild Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: ethereal-exploration-guild
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ethereal-exploration-guild.png
name: Ethereal Exploration Guild
description: Ethereal Exploration Guild (EtherealX) is an Indian spacetech company founded in 2022 in Bengaluru by Manu J.
  Nair, Prashant Sharma, and Shubhayu Sardar, building fully reusable medium-lift launch vehicles. Its lead product, the Razor
  Crest Mk-1 (RCM1), targets roughly 25 tons to low Earth orbit with high launch cadence, up to 16 orbit insertions per flight,
  and 72-96 hour turnaround. The company has manufactured its 80kN reusable upper-stage engine (Pegasus) using a proprietary
  Full Flow Segregated Cooling Cycle (FFSCC) and operates a large private rocket testing facility in Cuddalore, Tamil Nadu.
  EtherealX has raised on the order of $26M across multiple rounds, including a Series A in December 2025. The company offers
  launch services rather than any developer-facing API or platform.
url: https://raw.githubusercontent.com/api-evangelist/ethereal-exploration-guild/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- prosus-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Frontier Tech
- Aerospace
- Spacetech
- Launch Vehicles
- Reusable Rockets
- Space
- India
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/ethereal-exploration-guild-domain-security.yml
- type: Website
  url: https://etherealx.space
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence